Home / 50,921.33-70,279.85-29,700.61

Finding the Fourth Proportional to 50,921.33, 70,279.85 and 29,700.61

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Solution

The fourth proportional to 50,921.33, 70,279.85 and 29,700.61 is: 40,991.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.33 : 70,279.85 = 29,700.61 : x
  2. Step 2: Convert to fraction form
    50,921.33/70,279.85 = 29,700.61/x
  3. Step 3: Cross multiply
    50,921.33x = 70,279.85 × 29,700.61
  4. Step 4: Simplify right side
    50,921.33x = 2,087,354,314.26
  5. Step 5: Solve for x
    x = 2,087,354,314.26/50,921.33
  6. Step 6: Final answer
    x = 40,991.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.